Report your jellyfish sightings


The Marine Conservation Society (MCS), the UK’s leading marine charity, says the number of jellyfish in UK coastal waters is on the increase as our seas start to warm up.

Every summer hundreds of reports of jellyfish sightings are made to the MCS National Jellyfish Survey – now in its 14th year.

The survey is providing valuable information about where and when jellyfish occur in UK seas amid global reports of a rise in jellyfish numbers.

Dr Peter Richardson, Head of Biodiversity and Fisheries at the Marine Conservation Society said: “We still know relatively little about jellyfish and what drives changes in their numbers, so reporting even a single one can help.”

MCS says that anyone who comes across a jellyfish at sea or on the beach should look but don’t touch, but report their sightings at: